If consumers encounter a situation where merchants do not deliver goods after online shopping, they can take the following measures to file a complaint:

1. Contact customer service: Consumers can try to contact the platform's customer service or the merchant's customer service to reflect the problem and file a complaint. You can contact them through a variety of methods such as chat windows, telephones, and online customer service.

2. Save evidence: Consumers should save relevant evidence such as purchase records, chat records, order status, etc., in order to prove their rights and interests when making complaints.

3. Complaint platform: Consumers can choose to complain to shopping platforms or institutions such as consumer associations. You can find the complaint entrance on the platform, or file a complaint through the official website of institutions such as consumer associations.

4. Call the police: If the merchant does not deliver and is suspected of fraud, consumers can choose to call the police. You can report the case to the local public security agency and provide relevant evidence and information.

In short, when consumers encounter a situation where merchants do not deliver goods when shopping online, they should take active measures to protect their rights and interests. You can try to contact customer service, save evidence, complain to the platform, call the police, and other methods to solve the problem.

If the merchant fails to deliver the goods after the exchange, the consumer can directly find the official customer service on the platform to make a complaint, or call the official customer service hotline of the platform to make a complaint. The specific operation methods for complaining and reporting online shopping platform merchants are as follows:

1. Call Taobao customer service to initiate a complaint. Users can find the customer service hotline of the corresponding platform in the browser to make a complaint. Among them, Taobao's official consumer complaint hotline is [9510211].

2. File a complaint with the official manual customer service. If the user is unhappy when purchasing goods on the software, he can choose to contact the platform's customer service to feedback the problem. Generally, each software has an official online customer service, which can help solve the problem

You can submit a complaint to the platform. Usually, the platform has a corresponding complaint channel, and you can find relevant information on its website and submit your situation. I hope my answer can help you.

1.

Call the official customer service to initiate a complaint. Consumers can use search engines to check the customer service phone number of the shopping software to be complained about and make a complaint. Among them, Taobao's customer service complaint phone number is "9510211".

2.

Contact the official manual customer service to make complaints and feedback. If a consumer has a dispute with a merchant when purchasing something in the software, he can find the platform's official customer service to report the problem. Under normal circumstances, each software has manual customer service, and you can apply for the platform's customer service to resolve it.